Jesaya Beek, born 11 September 1903 as twinbrother of Naatje Beek, was a son of Lion Beek and Eva Spier. He married 25 June 1930 in Amsterdam Rebecca van der Goen from Den Bosch, who was born 8 September 1902 as daughter of David van der Goen and Rosina Tromp. Jesaya and Rebecca had two children: Lion in 1931 and Rosina in 1933. The family lived at Valkenburgerstraat 145 1st floor in the city cent…